TM9-4120-400-14
O P E R A T O R ' S MAINTENANCE INSTRUCTIONS
Section/Paragraph
I
Lubrication Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
II
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
Use of Troubleshooting Table . . . . . . . . . . . . . . . . . . . . . . .
Ill
Maintenance Procedures . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . .
.
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
Section I LUBRICATION INSTRUCTIONS
GENERAL.
The Model F9000H-3SA and 9000H-1SA Air Conditioners and their major components are designed so that
very little lubrication is required during their serviceale lifetime. The refrigerant compressor and its drive motor are
hermetically sealed in a single canister; sealed bearing are incorporated in the drive motor and the compressor is
supplied with a complete charge of oil and requires no lubrication. Sealed bearings are incorportated in the
evaporator and condenser fan motors. Report stiffness or binding of all operational controls to unit maintenance
for appropriate action.
S e c t i o n II TROUBLESHOOTING
Table 3-1 contains troubleshooting information useful to
operators in
diagnosing and correcting malfunctions or
unsatisfactory operation of the air conditioner.
a. The Troubleshooting Table lists the common malfunction symptoms operators are most likely to encounter
during operation of the air conditioner; test and inspection steps to be followed to determine the cause; and the
corrective action that should be taken for each possible cause listed.
b. The operator should first find the malfunction symptom which most closely describes the immediate
situation. Then perform the test, inspection, and corrective action steps in the order in which listed.
c. This manual cannot list all possible malfunction symptoms that maybe encountered, nor can it list all
possible test, inspection, and corrective action steps that may be taken. If a malfunction occurs for which no
symptom is listed, or if the listed corrective actions do not resolve the trouble, notify your supervisor.
d. Troubles or corrective actions beyond the scope of operator capabilities must be reported to unit
maintenance.